CL2010000906A1 - A fiber optic fortification bolt to determine deformations by means of double-pulse optical time domain reflectometry measurement (botdr). - Google Patents

A fiber optic fortification bolt to determine deformations by means of double-pulse optical time domain reflectometry measurement (botdr).

Info

Publication number
CL2010000906A1
CL2010000906A1 CL2010000906A CL2010000906A CL2010000906A1 CL 2010000906 A1 CL2010000906 A1 CL 2010000906A1 CL 2010000906 A CL2010000906 A CL 2010000906A CL 2010000906 A CL2010000906 A CL 2010000906A CL 2010000906 A1 CL2010000906 A1 CL 2010000906A1
Authority
CL
Chile
Prior art keywords
fortification
bolt
botdr
double
domain reflectometry
Prior art date
Application number
CL2010000906A
Other languages
Spanish (es)
Inventor
Vallejos Alejandra Alvarez
Van De Perre Juan Pablo Gonzalez
Guzman Javier Sandoval
Covarrubias Ricardo Moffat
Original Assignee
Micomo S A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Micomo S A filed Critical Micomo S A
Priority to CL2010000906A priority Critical patent/CL2010000906A1/en
Publication of CL2010000906A1 publication Critical patent/CL2010000906A1/en
Priority to PCT/IB2011/053705 priority patent/WO2012025886A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0004—Force transducers adapted for mounting in a bore of the force receiving structure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0091—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection

Abstract

UN PERNO DE FORTIFICACIÓN CON FIBRA ÓPTICA PARA DETERMINAR DEFORMACIONES MEDIANTE LA MEDICIÓN POR REFLECTOMETRIA DE DOMINIO TEMPORAL ÓPTICO DE BRILLOUIN (BOTDR) DE DOBLE IMPULSO. EL PERNO DE FORTIFICACIÓN COMPRENDE DOS SUPERFICIES PLANAS DIAMETRALMENTE OPUESTAS EN TODA SU LONGITUD; Y UNA PRIMERA Y SEGUNDA FIBRA ÓPTICA DISPUESTAS LONGITUDINALMENTE SOBRE DICHAS SUPERFICIES PLANAS RESPECTIVAMENTE, YEN CADA EXTREMO ANTERIOR DE DICHAS PRIMERA Y SEGUNDA FIBRAS ÓPTICAS, SE UNEN MEDIANTE EMPALMES ÓPTICOS A UNA FIBRA ÓPTICA CURVADA ULTRAFLEXIBLE.<br />  A FORTIFICATION BOLT WITH OPTICAL FIBER TO DETERMINE DEFORMATIONS BY MEASUREMENT BY OPTICAL TEMPORARY DOMAIN REFLECTOMETRY OF BRILLOUIN (BOTDR) OF DOUBLE IMPULSE. THE FORTIFICATION BOLT INCLUDES TWO DIAMETRALLY OPPOSED FLAT SURFACES IN ALL ITS LENGTH; AND A FIRST AND SECOND OPTICAL FIBER LONGITUDINALLY AVAILABLE ON SUCH FLAT SURFACES RESPECTIVELY, AND EACH PREVIOUS EXTREME OF THE FIRST AND SECOND OPTICAL FIBERS, JOIN THROUGH OPTICAL FIBER OPTICAL / CURVED OPTICAL FIBER.

CL2010000906A 2010-08-25 2010-08-25 A fiber optic fortification bolt to determine deformations by means of double-pulse optical time domain reflectometry measurement (botdr). CL2010000906A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CL2010000906A CL2010000906A1 (en) 2010-08-25 2010-08-25 A fiber optic fortification bolt to determine deformations by means of double-pulse optical time domain reflectometry measurement (botdr).
PCT/IB2011/053705 WO2012025886A1 (en) 2010-08-25 2011-08-23 Reinforcing bolts comprising fibre optic for the detection of deformations by means of brillouin optical time-domain reflectometry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CL2010000906A CL2010000906A1 (en) 2010-08-25 2010-08-25 A fiber optic fortification bolt to determine deformations by means of double-pulse optical time domain reflectometry measurement (botdr).

Publications (1)

Publication Number Publication Date
CL2010000906A1 true CL2010000906A1 (en) 2010-12-24

Family

ID=45722973

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2010000906A CL2010000906A1 (en) 2010-08-25 2010-08-25 A fiber optic fortification bolt to determine deformations by means of double-pulse optical time domain reflectometry measurement (botdr).

Country Status (2)

Country Link
CL (1) CL2010000906A1 (en)
WO (1) WO2012025886A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103215975B (en) * 2013-04-19 2015-04-01 浙江华东工程安全技术有限公司 Inbuilt method for distributed type sensing cable in foundation pile
CN103215974B (en) * 2013-04-19 2015-04-22 浙江华东工程安全技术有限公司 Foundation pile deflection measurement method based on distributed fiber sensing technique
JP6474345B2 (en) * 2015-12-28 2019-02-27 鹿島建設株式会社 PC steel twisted wire fixing part structure, ground anchor, measuring device and measuring method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0921661A (en) * 1995-07-06 1997-01-21 Sumitomo Electric Ind Ltd Apparatus for monitoring underground state of anchor construction part
CN100356234C (en) * 2004-09-30 2007-12-19 北京大学 Full optical fibre circular phase converter and its processing method
KR100915887B1 (en) * 2006-08-22 2009-09-07 고려대학교 산학협력단 Apparatus for examining quality of Grout using for fixing rockbolt

Also Published As

Publication number Publication date
WO2012025886A1 (en) 2012-03-01

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